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  <div class="headertitle">
<div class="title">qwt_polar_renderer.cpp</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * QwtPolar Widget Library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 2008   Uwe Rathmann</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160; </div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &quot;qwt_polar_renderer.h&quot;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &quot;qwt_polar_plot.h&quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &quot;qwt_polar_layout.h&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &quot;qwt_legend.h&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;qwt_dyngrid_layout.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &quot;qwt_text_label.h&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &quot;qwt_text.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;qpainter.h&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &lt;qprinter.h&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &lt;qprintdialog.h&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &lt;qfiledialog.h&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;qimagewriter.h&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;qfileinfo.h&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &lt;qmath.h&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160; </div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#ifndef QWT_NO_SVG</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#ifdef QT_SVG_LIB</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#define QWT_FORMAT_SVG 1</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#ifndef QT_NO_PRINTER</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#define QWT_FORMAT_PDF 1</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#ifndef QT_NO_PDF</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160; </div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment">// QPdfWriter::setResolution() has been introduced with</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment">// Qt 5.3. Guess it is o.k. to stay with QPrinter for older</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment">// versions.</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160; </div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#if QT_VERSION &gt;= 0x050300</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#ifndef QWT_FORMAT_PDF</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#define QWT_FORMAT_PDF 1</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor">#define QWT_PDF_WRITER 1</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160; </div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="preprocessor">#ifndef QT_NO_PRINTER</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment">// postscript support has been dropped in Qt5</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor">#if QT_VERSION &lt; 0x050000</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="preprocessor">#define QWT_FORMAT_POSTSCRIPT 1</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160; </div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">#if QWT_FORMAT_SVG</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="preprocessor">#include &lt;qsvggenerator.h&gt;</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160; </div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="preprocessor">#if QWT_PDF_WRITER</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="preprocessor">#include &lt;qpdfwriter.h&gt;</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160; </div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">double</span> qwtDistance(</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keyword">const</span> QPointF&amp; p1, <span class="keyword">const</span> QPointF&amp; p2 )</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;{</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="keywordtype">double</span> dx = p2.x() - p1.x();</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <span class="keywordtype">double</span> dy = p2.y() - p1.y();</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    <span class="keywordflow">return</span> qSqrt( dx * dx + dy * dy );</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;}</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160; </div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="keyword">class </span>QwtPolarRenderer::PrivateData</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;{</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    PrivateData()</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        : plot( NULL )</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    {</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    }</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* plot;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;};</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160; </div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="class_qwt_polar_renderer.html#a58aa83824c90dbf1dd240a6fbf905fdf">   90</a></span>&#160;<a class="code" href="class_qwt_polar_renderer.html#a58aa83824c90dbf1dd240a6fbf905fdf">QwtPolarRenderer::QwtPolarRenderer</a>( QObject* parent )</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    : QObject( parent )</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;{</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    m_data = <span class="keyword">new</span> PrivateData;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;}</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160; </div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="class_qwt_polar_renderer.html#aa67b03290bf743cc0b102161589180d5">   97</a></span>&#160;<a class="code" href="class_qwt_polar_renderer.html#aa67b03290bf743cc0b102161589180d5">QwtPolarRenderer::~QwtPolarRenderer</a>()</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;{</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    <span class="keyword">delete</span> m_data;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;}</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160; </div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="class_qwt_polar_renderer.html#a81598da0f256448708d0118e724ae08c">  113</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_renderer.html#a81598da0f256448708d0118e724ae08c">QwtPolarRenderer::renderDocument</a>( <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* plot,</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    <span class="keyword">const</span> QString&amp; fileName, <span class="keyword">const</span> QSizeF&amp; sizeMM, <span class="keywordtype">int</span> resolution )</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;{</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <a class="code" href="class_qwt_polar_renderer.html#a81598da0f256448708d0118e724ae08c">renderDocument</a>( plot, fileName,</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        QFileInfo( fileName ).suffix(), sizeMM, resolution );</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;}</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160; </div>
<div class="line"><a name="l00138"></a><span class="lineno"><a class="line" href="class_qwt_polar_renderer.html#a963c267b7fdf0d398a27392d87e960dd">  138</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_renderer.html#a81598da0f256448708d0118e724ae08c">QwtPolarRenderer::renderDocument</a>( <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* plot,</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <span class="keyword">const</span> QString&amp; fileName, <span class="keyword">const</span> QString&amp; format,</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    <span class="keyword">const</span> QSizeF&amp; sizeMM, <span class="keywordtype">int</span> resolution )</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;{</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    <span class="keywordflow">if</span> ( plot == NULL || sizeMM.isEmpty() || resolution &lt;= 0 )</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160; </div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    QString title = plot-&gt;<a class="code" href="class_qwt_polar_plot.html#a9721f6493bd02d8ed8dd093e1e4e38e6">title</a>().<a class="code" href="class_qwt_text.html#ad94fd632f61b1e5d9f68ce65c445982e">text</a>();</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    <span class="keywordflow">if</span> ( title.isEmpty() )</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        title = <span class="stringliteral">&quot;Plot Document&quot;</span>;</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160; </div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span> mmToInch = 1.0 / 25.4;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    <span class="keyword">const</span> QSizeF size = sizeMM * mmToInch * resolution;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160; </div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    <span class="keyword">const</span> QRectF documentRect( 0.0, 0.0, size.width(), size.height() );</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160; </div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keyword">const</span> QString fmt = format.toLower();</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    <span class="keywordflow">if</span> ( format == <span class="stringliteral">&quot;pdf&quot;</span> )</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    {</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="preprocessor">#if QWT_FORMAT_PDF</span></div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="preprocessor">#if QWT_PDF_WRITER</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        QPdfWriter pdfWriter( fileName );</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;        pdfWriter.setPageSize( QPageSize( sizeMM, QPageSize::Millimeter ) );</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        pdfWriter.setTitle( title );</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;        pdfWriter.setPageMargins( QMarginsF() );</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;        pdfWriter.setResolution( resolution );</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160; </div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;        QPainter painter( &amp;pdfWriter );</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;        <a class="code" href="class_qwt_polar_renderer.html#a709afab29fcdd1f602b62c6f7d7fdf2c">render</a>( plot, &amp;painter, documentRect );</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160; </div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        QPrinter printer;</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        printer.setOutputFormat( QPrinter::PdfFormat );</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        printer.setColorMode( QPrinter::Color );</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        printer.setFullPage( <span class="keyword">true</span> );</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;        printer.setPaperSize( sizeMM, QPrinter::Millimeter );</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;        printer.setDocName( title );</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;        printer.setOutputFileName( fileName );</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        printer.setResolution( resolution );</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160; </div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        QPainter painter( &amp;printer );</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        <a class="code" href="class_qwt_polar_renderer.html#a709afab29fcdd1f602b62c6f7d7fdf2c">render</a>( plot, &amp;painter, documentRect );</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    }</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( format == <span class="stringliteral">&quot;ps&quot;</span> )</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    {</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;<span class="preprocessor">#if QWT_FORMAT_POSTSCRIPT</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;        QPrinter printer;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        printer.setColorMode( QPrinter::Color );</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        printer.setFullPage( <span class="keyword">true</span> );</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        printer.setPaperSize( sizeMM, QPrinter::Millimeter );</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        printer.setDocName( title );</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;        printer.setOutputFileName( fileName );</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        printer.setOutputFormat( QPrinter::PostScriptFormat );</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        printer.setResolution( resolution );</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160; </div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;        QPainter painter( &amp;printer );</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;        <a class="code" href="class_qwt_polar_renderer.html#a709afab29fcdd1f602b62c6f7d7fdf2c">render</a>( plot, &amp;painter, documentRect );</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    }</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( format == <span class="stringliteral">&quot;svg&quot;</span> )</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;    {</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;<span class="preprocessor">#ifdef QWT_FORMAT_SVG</span></div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;        QSvgGenerator generator;</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        generator.setTitle( title );</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;        generator.setFileName( fileName );</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;        generator.setResolution( resolution );</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;        generator.setViewBox( documentRect );</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160; </div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        QPainter painter( &amp;generator );</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;        <a class="code" href="class_qwt_polar_renderer.html#a709afab29fcdd1f602b62c6f7d7fdf2c">render</a>( plot, &amp;painter, documentRect );</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    }</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    {</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;        <span class="keywordflow">if</span> ( QImageWriter::supportedImageFormats().indexOf(</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;            format.toLatin1() ) &gt;= 0 )</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;        {</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;            <span class="keyword">const</span> QRect imageRect = documentRect.toRect();</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">int</span> dotsPerMeter = qRound( resolution * mmToInch * 1000.0 );</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160; </div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;            QImage image( imageRect.size(), QImage::Format_ARGB32 );</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;            image.setDotsPerMeterX( dotsPerMeter );</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;            image.setDotsPerMeterY( dotsPerMeter );</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;            image.fill( QColor( Qt::white ).rgb() );</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160; </div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;            QPainter painter( &amp;image );</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;            <a class="code" href="class_qwt_polar_renderer.html#a709afab29fcdd1f602b62c6f7d7fdf2c">render</a>( plot, &amp;painter, imageRect );</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;            painter.end();</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160; </div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;            image.save( fileName, format.toLatin1() );</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;        }</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;    }</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;}</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160; </div>
<div class="line"><a name="l00247"></a><span class="lineno"><a class="line" href="class_qwt_polar_renderer.html#a1d44d8ba46a765ecbbfbbc3b14ee6934">  247</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_renderer.html#ac699bd3db7172339c91e38799ce0ee75">QwtPolarRenderer::renderTo</a>(</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* plot, QPaintDevice&amp; paintDevice )<span class="keyword"> const</span></div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    <span class="keywordtype">int</span> w = paintDevice.width();</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    <span class="keywordtype">int</span> h = paintDevice.height();</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160; </div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    QPainter p( &amp;paintDevice );</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    <a class="code" href="class_qwt_polar_renderer.html#a709afab29fcdd1f602b62c6f7d7fdf2c">render</a>( plot, &amp;p, QRectF( 0, 0, w, h ) );</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;}</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160; </div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160; </div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;<span class="preprocessor">#ifndef QT_NO_PRINTER</span></div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160; </div>
<div class="line"><a name="l00273"></a><span class="lineno"><a class="line" href="class_qwt_polar_renderer.html#ac699bd3db7172339c91e38799ce0ee75">  273</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_renderer.html#ac699bd3db7172339c91e38799ce0ee75">QwtPolarRenderer::renderTo</a>(</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;    <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* plot, QPrinter&amp; printer )<span class="keyword"> const</span></div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    <span class="keywordtype">int</span> w = printer.width();</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    <span class="keywordtype">int</span> h = printer.height();</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160; </div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;    QRectF rect( 0, 0, w, h );</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    <span class="keywordtype">double</span> aspect = rect.width() / rect.height();</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    <span class="keywordflow">if</span> ( ( aspect &lt; 1.0 ) )</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;        rect.setHeight( aspect * rect.width() );</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160; </div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;    QPainter p( &amp;printer );</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    <a class="code" href="class_qwt_polar_renderer.html#a709afab29fcdd1f602b62c6f7d7fdf2c">render</a>( plot, &amp;p, rect );</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;}</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160; </div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160; </div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;<span class="preprocessor">#ifdef QWT_FORMAT_SVG</span></div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160; </div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_renderer.html#ac699bd3db7172339c91e38799ce0ee75">QwtPolarRenderer::renderTo</a>(</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* plot, QSvgGenerator&amp; generator )<span class="keyword"> const</span></div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    QRectF rect = generator.viewBoxF();</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;    <span class="keywordflow">if</span> ( rect.isEmpty() )</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;        rect.setRect( 0, 0, generator.width(), generator.height() );</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160; </div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    <span class="keywordflow">if</span> ( rect.isEmpty() )</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;        rect.setRect( 0, 0, 800, 600 ); <span class="comment">// something</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160; </div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    QPainter p( &amp;generator );</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    <a class="code" href="class_qwt_polar_renderer.html#a709afab29fcdd1f602b62c6f7d7fdf2c">render</a>( plot, &amp;p, rect );</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;}</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160; </div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160; </div>
<div class="line"><a name="l00326"></a><span class="lineno"><a class="line" href="class_qwt_polar_renderer.html#a709afab29fcdd1f602b62c6f7d7fdf2c">  326</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_renderer.html#a709afab29fcdd1f602b62c6f7d7fdf2c">QwtPolarRenderer::render</a>( <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* plot,</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;    QPainter* painter, <span class="keyword">const</span> QRectF&amp; plotRect )<span class="keyword"> const</span></div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;    <span class="keywordflow">if</span> ( plot == NULL || painter == NULL || !painter-&gt;isActive() ||</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;        !plotRect.isValid() || plot-&gt;size().isNull() )</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;    {</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;    }</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160; </div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;    m_data-&gt;plot = plot;</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160; </div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;<span class="comment">       The layout engine uses the same methods as they are used</span></div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;<span class="comment">       by the Qt layout system. Therefore we need to calculate the</span></div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;<span class="comment">       layout in screen coordinates and paint with a scaled painter.</span></div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;    QTransform transform;</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;    transform.scale(</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;        <span class="keywordtype">double</span>( painter-&gt;device()-&gt;logicalDpiX() ) / plot-&gt;logicalDpiX(),</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;        <span class="keywordtype">double</span>( painter-&gt;device()-&gt;logicalDpiY() ) / plot-&gt;logicalDpiY() );</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160; </div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;    <span class="keyword">const</span> QRectF layoutRect = transform.inverted().mapRect( plotRect );</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160; </div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    <a class="code" href="class_qwt_polar_layout.html">QwtPolarLayout</a>* layout = plot-&gt;<a class="code" href="class_qwt_polar_plot.html#a05010dfe67a2fb29d8c2313562c138eb">plotLayout</a>();</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160; </div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;    <span class="comment">// All paint operations need to be scaled according to</span></div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;    <span class="comment">// the paint device metrics.</span></div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160; </div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;    <a class="code" href="class_qwt_polar_layout.html#aec564b38dd98f314989807c200b48df2">QwtPolarLayout::Options</a> layoutOptions =</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;        <a class="code" href="class_qwt_polar_layout.html#abb9ffb4d2547fc48b37c89c380cb5c60a8a7a635824e491b226168b111c9a0d02">QwtPolarLayout::IgnoreScrollbars</a> | <a class="code" href="class_qwt_polar_layout.html#abb9ffb4d2547fc48b37c89c380cb5c60ad8271c6678339e4437e99e176a4b1083">QwtPolarLayout::IgnoreFrames</a>;</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160; </div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;    layout-&gt;<a class="code" href="class_qwt_polar_layout.html#a6da8d82934ae4ad063ac1612963368ac">activate</a>( plot, layoutRect, layoutOptions );</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160; </div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;    painter-&gt;save();</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;    painter-&gt;setWorldTransform( transform, <span class="keyword">true</span> );</div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160; </div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;    painter-&gt;save();</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;    <a class="code" href="class_qwt_polar_renderer.html#a17f979dafe88f06aa1ff8c7b74de3820">renderTitle</a>( painter, layout-&gt;<a class="code" href="class_qwt_polar_layout.html#aab5743221eb476b05548e14f1cfb8f98">titleRect</a>() );</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;    painter-&gt;restore();</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160; </div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;    painter-&gt;save();</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;    <a class="code" href="class_qwt_polar_renderer.html#abbdd5233df47315a12d303e81f746486">renderLegend</a>( plot, painter, layout-&gt;<a class="code" href="class_qwt_polar_layout.html#a0144585a1ccbe4f1bd786e09430e6a52">legendRect</a>() );</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;    painter-&gt;restore();</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160; </div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;    <span class="keyword">const</span> QRectF canvasRect = layout-&gt;<a class="code" href="class_qwt_polar_layout.html#af7fa62a79881d57a5a5ba4fc3666d910">canvasRect</a>();</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160; </div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;    painter-&gt;save();</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;    painter-&gt;setClipRect( canvasRect );</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;    plot-&gt;<a class="code" href="class_qwt_polar_plot.html#a2a8350cbd76d8e0f194eb371f347fce2">drawCanvas</a>( painter, canvasRect );</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;    painter-&gt;restore();</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160; </div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;    painter-&gt;restore();</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160; </div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;    layout-&gt;<a class="code" href="class_qwt_polar_layout.html#a4abf2bf66f1c89901f0c253e66cc8a23">invalidate</a>();</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160; </div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;    m_data-&gt;plot = NULL;</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;}</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160; </div>
<div class="line"><a name="l00391"></a><span class="lineno"><a class="line" href="class_qwt_polar_renderer.html#a17f979dafe88f06aa1ff8c7b74de3820">  391</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_renderer.html#a17f979dafe88f06aa1ff8c7b74de3820">QwtPolarRenderer::renderTitle</a>( QPainter* painter, <span class="keyword">const</span> QRectF&amp; rect )<span class="keyword"> const</span></div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;    <a class="code" href="class_qwt_text_label.html">QwtTextLabel</a>* title = m_data-&gt;plot-&gt;titleLabel();</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160; </div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;    painter-&gt;setFont( title-&gt;font() );</div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160; </div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;    <span class="keyword">const</span> QColor color = title-&gt;palette().color(</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;        QPalette::Active, QPalette::Text );</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160; </div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;    painter-&gt;setPen( color );</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;    title-&gt;<a class="code" href="class_qwt_text_label.html#a65113573cdf1fe4098a324453e11fe4e">text</a>().<a class="code" href="class_qwt_text.html#ad81ee227016361a0362081bc67c301da">draw</a>( painter, rect );</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;}</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160; </div>
<div class="line"><a name="l00411"></a><span class="lineno"><a class="line" href="class_qwt_polar_renderer.html#abbdd5233df47315a12d303e81f746486">  411</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_renderer.html#abbdd5233df47315a12d303e81f746486">QwtPolarRenderer::renderLegend</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* plot,</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;    QPainter* painter, <span class="keyword">const</span> QRectF&amp; rect )<span class="keyword"> const</span></div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;    <span class="keywordflow">if</span> ( plot-&gt;<a class="code" href="class_qwt_polar_plot.html#accce9ede21cacb563d72797c12d60b3f">legend</a>() )</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;        plot-&gt;<a class="code" href="class_qwt_polar_plot.html#accce9ede21cacb563d72797c12d60b3f">legend</a>()-&gt;<a class="code" href="class_qwt_abstract_legend.html#a2fe1ac5ac1448e4d86b7437505214d9c">renderLegend</a>( painter, rect, <span class="keyword">true</span> );</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;}</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160; </div>
<div class="line"><a name="l00430"></a><span class="lineno"><a class="line" href="class_qwt_polar_renderer.html#a0ede3c5f86bc2af43c49dde2ff1eeb66">  430</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="class_qwt_polar_renderer.html#a0ede3c5f86bc2af43c49dde2ff1eeb66">QwtPolarRenderer::exportTo</a>( <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* plot,</div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;    <span class="keyword">const</span> QString&amp; documentName, <span class="keyword">const</span> QSizeF&amp; sizeMM, <span class="keywordtype">int</span> resolution )</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;{</div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;    <span class="keywordflow">if</span> ( plot == NULL )</div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160; </div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;    QString fileName = documentName;</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160; </div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;    <span class="comment">// What about translation</span></div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160; </div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;<span class="preprocessor">#ifndef QT_NO_FILEDIALOG</span></div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_list.html">QList&lt; QByteArray &gt;</a> imageFormats =</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;        QImageWriter::supportedImageFormats();</div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160; </div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;    QStringList filter;</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;<span class="preprocessor">#ifndef QT_NO_PRINTER</span></div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;    filter += QString( <span class="stringliteral">&quot;PDF &quot;</span> ) + tr( <span class="stringliteral">&quot;Documents&quot;</span> ) + <span class="stringliteral">&quot; (*.pdf)&quot;</span>;</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;<span class="preprocessor">#ifndef QWT_NO_SVG</span></div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;    filter += QString( <span class="stringliteral">&quot;SVG &quot;</span> ) + tr( <span class="stringliteral">&quot;Documents&quot;</span> ) + <span class="stringliteral">&quot; (*.svg)&quot;</span>;</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;<span class="preprocessor">#ifndef QT_NO_PRINTER</span></div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;    filter += QString( <span class="stringliteral">&quot;Postscript &quot;</span> ) + tr( <span class="stringliteral">&quot;Documents&quot;</span> ) + <span class="stringliteral">&quot; (*.ps)&quot;</span>;</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160; </div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;    <span class="keywordflow">if</span> ( imageFormats.size() &gt; 0 )</div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;    {</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;        QString imageFilter( tr( <span class="stringliteral">&quot;Images&quot;</span> ) );</div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;        imageFilter += <span class="stringliteral">&quot; (&quot;</span>;</div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;        <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; imageFormats.size(); i++ )</div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;        {</div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;            <span class="keywordflow">if</span> ( i &gt; 0 )</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;                imageFilter += <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;            imageFilter += <span class="stringliteral">&quot;*.&quot;</span>;</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;            imageFilter += imageFormats[i];</div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;        }</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;        imageFilter += <span class="stringliteral">&quot;)&quot;</span>;</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160; </div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;        filter += imageFilter;</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;    }</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160; </div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;    fileName = QFileDialog::getSaveFileName(</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;        NULL, tr( <span class="stringliteral">&quot;Export File Name&quot;</span> ), fileName,</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;        filter.join( <span class="stringliteral">&quot;;;&quot;</span> ), NULL, QFileDialog::DontConfirmOverwrite );</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;    <span class="keywordflow">if</span> ( fileName.isEmpty() )</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160; </div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;    <a class="code" href="class_qwt_polar_renderer.html#a81598da0f256448708d0118e724ae08c">renderDocument</a>( plot, fileName, sizeMM, resolution );</div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160; </div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;}</div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160; </div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;<span class="preprocessor">#if QWT_MOC_INCLUDE</span></div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;<span class="preprocessor">#include &quot;moc_qwt_polar_renderer.cpp&quot;</span></div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclass_q_list_html"><div class="ttname"><a href="class_q_list.html">QList</a></div><div class="ttdef"><b>Definition:</b> <a href="qwt__abstract__legend_8h_source.html#l00017">qwt_abstract_legend.h:17</a></div></div>
<div class="ttc" id="aclass_qwt_abstract_legend_html_a2fe1ac5ac1448e4d86b7437505214d9c"><div class="ttname"><a href="class_qwt_abstract_legend.html#a2fe1ac5ac1448e4d86b7437505214d9c">QwtAbstractLegend::renderLegend</a></div><div class="ttdeci">virtual void renderLegend(QPainter *painter, const QRectF &amp;rect, bool fillBackground) const =0</div></div>
<div class="ttc" id="aclass_qwt_polar_layout_html"><div class="ttname"><a href="class_qwt_polar_layout.html">QwtPolarLayout</a></div><div class="ttdoc">Layout class for QwtPolarPlot.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__layout_8h_source.html#l00023">qwt_polar_layout.h:24</a></div></div>
<div class="ttc" id="aclass_qwt_polar_layout_html_a0144585a1ccbe4f1bd786e09430e6a52"><div class="ttname"><a href="class_qwt_polar_layout.html#a0144585a1ccbe4f1bd786e09430e6a52">QwtPolarLayout::legendRect</a></div><div class="ttdeci">const QRectF &amp; legendRect() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__layout_8cpp_source.html#l00239">qwt_polar_layout.cpp:239</a></div></div>
<div class="ttc" id="aclass_qwt_polar_layout_html_a4abf2bf66f1c89901f0c253e66cc8a23"><div class="ttname"><a href="class_qwt_polar_layout.html#a4abf2bf66f1c89901f0c253e66cc8a23">QwtPolarLayout::invalidate</a></div><div class="ttdeci">virtual void invalidate()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__layout_8cpp_source.html#l00257">qwt_polar_layout.cpp:257</a></div></div>
<div class="ttc" id="aclass_qwt_polar_layout_html_a6da8d82934ae4ad063ac1612963368ac"><div class="ttname"><a href="class_qwt_polar_layout.html#a6da8d82934ae4ad063ac1612963368ac">QwtPolarLayout::activate</a></div><div class="ttdeci">virtual void activate(const QwtPolarPlot *, const QRectF &amp;rect, Options options=Options())</div><div class="ttdoc">Recalculate the geometry of all components.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__layout_8cpp_source.html#l00344">qwt_polar_layout.cpp:344</a></div></div>
<div class="ttc" id="aclass_qwt_polar_layout_html_aab5743221eb476b05548e14f1cfb8f98"><div class="ttname"><a href="class_qwt_polar_layout.html#aab5743221eb476b05548e14f1cfb8f98">QwtPolarLayout::titleRect</a></div><div class="ttdeci">const QRectF &amp; titleRect() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__layout_8cpp_source.html#l00229">qwt_polar_layout.cpp:229</a></div></div>
<div class="ttc" id="aclass_qwt_polar_layout_html_abb9ffb4d2547fc48b37c89c380cb5c60a8a7a635824e491b226168b111c9a0d02"><div class="ttname"><a href="class_qwt_polar_layout.html#abb9ffb4d2547fc48b37c89c380cb5c60a8a7a635824e491b226168b111c9a0d02">QwtPolarLayout::IgnoreScrollbars</a></div><div class="ttdeci">@ IgnoreScrollbars</div><div class="ttdoc">Ignore the dimension of the scrollbars.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__layout_8h_source.html#l00031">qwt_polar_layout.h:31</a></div></div>
<div class="ttc" id="aclass_qwt_polar_layout_html_abb9ffb4d2547fc48b37c89c380cb5c60ad8271c6678339e4437e99e176a4b1083"><div class="ttname"><a href="class_qwt_polar_layout.html#abb9ffb4d2547fc48b37c89c380cb5c60ad8271c6678339e4437e99e176a4b1083">QwtPolarLayout::IgnoreFrames</a></div><div class="ttdeci">@ IgnoreFrames</div><div class="ttdoc">Ignore all frames.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__layout_8h_source.html#l00034">qwt_polar_layout.h:34</a></div></div>
<div class="ttc" id="aclass_qwt_polar_layout_html_aec564b38dd98f314989807c200b48df2"><div class="ttname"><a href="class_qwt_polar_layout.html#aec564b38dd98f314989807c200b48df2">QwtPolarLayout::Options</a></div><div class="ttdeci">QFlags&lt; Option &gt; Options</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__layout_8h_source.html#l00043">qwt_polar_layout.h:43</a></div></div>
<div class="ttc" id="aclass_qwt_polar_layout_html_af7fa62a79881d57a5a5ba4fc3666d910"><div class="ttname"><a href="class_qwt_polar_layout.html#af7fa62a79881d57a5a5ba4fc3666d910">QwtPolarLayout::canvasRect</a></div><div class="ttdeci">const QRectF &amp; canvasRect() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__layout_8cpp_source.html#l00248">qwt_polar_layout.cpp:248</a></div></div>
<div class="ttc" id="aclass_qwt_polar_plot_html"><div class="ttname"><a href="class_qwt_polar_plot.html">QwtPolarPlot</a></div><div class="ttdoc">A plotting widget, displaying a polar coordinate system.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8h_source.html#l00046">qwt_polar_plot.h:47</a></div></div>
<div class="ttc" id="aclass_qwt_polar_plot_html_a05010dfe67a2fb29d8c2313562c138eb"><div class="ttname"><a href="class_qwt_polar_plot.html#a05010dfe67a2fb29d8c2313562c138eb">QwtPolarPlot::plotLayout</a></div><div class="ttdeci">QwtPolarLayout * plotLayout()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l01274">qwt_polar_plot.cpp:1274</a></div></div>
<div class="ttc" id="aclass_qwt_polar_plot_html_a2a8350cbd76d8e0f194eb371f347fce2"><div class="ttname"><a href="class_qwt_polar_plot.html#a2a8350cbd76d8e0f194eb371f347fce2">QwtPolarPlot::drawCanvas</a></div><div class="ttdeci">virtual void drawCanvas(QPainter *, const QRectF &amp;) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l00930">qwt_polar_plot.cpp:930</a></div></div>
<div class="ttc" id="aclass_qwt_polar_plot_html_a9721f6493bd02d8ed8dd093e1e4e38e6"><div class="ttname"><a href="class_qwt_polar_plot.html#a9721f6493bd02d8ed8dd093e1e4e38e6">QwtPolarPlot::title</a></div><div class="ttdeci">QwtText title() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l00147">qwt_polar_plot.cpp:147</a></div></div>
<div class="ttc" id="aclass_qwt_polar_plot_html_accce9ede21cacb563d72797c12d60b3f"><div class="ttname"><a href="class_qwt_polar_plot.html#accce9ede21cacb563d72797c12d60b3f">QwtPolarPlot::legend</a></div><div class="ttdeci">QwtAbstractLegend * legend()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l00286">qwt_polar_plot.cpp:286</a></div></div>
<div class="ttc" id="aclass_qwt_polar_renderer_html_a0ede3c5f86bc2af43c49dde2ff1eeb66"><div class="ttname"><a href="class_qwt_polar_renderer.html#a0ede3c5f86bc2af43c49dde2ff1eeb66">QwtPolarRenderer::exportTo</a></div><div class="ttdeci">bool exportTo(QwtPolarPlot *, const QString &amp;documentName, const QSizeF &amp;sizeMM=QSizeF(200, 200), int resolution=85)</div><div class="ttdoc">Execute a file dialog and render the plot to the selected file.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__renderer_8cpp_source.html#l00430">qwt_polar_renderer.cpp:430</a></div></div>
<div class="ttc" id="aclass_qwt_polar_renderer_html_a17f979dafe88f06aa1ff8c7b74de3820"><div class="ttname"><a href="class_qwt_polar_renderer.html#a17f979dafe88f06aa1ff8c7b74de3820">QwtPolarRenderer::renderTitle</a></div><div class="ttdeci">virtual void renderTitle(QPainter *, const QRectF &amp;) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__renderer_8cpp_source.html#l00391">qwt_polar_renderer.cpp:391</a></div></div>
<div class="ttc" id="aclass_qwt_polar_renderer_html_a58aa83824c90dbf1dd240a6fbf905fdf"><div class="ttname"><a href="class_qwt_polar_renderer.html#a58aa83824c90dbf1dd240a6fbf905fdf">QwtPolarRenderer::QwtPolarRenderer</a></div><div class="ttdeci">QwtPolarRenderer(QObject *parent=NULL)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__renderer_8cpp_source.html#l00090">qwt_polar_renderer.cpp:90</a></div></div>
<div class="ttc" id="aclass_qwt_polar_renderer_html_a709afab29fcdd1f602b62c6f7d7fdf2c"><div class="ttname"><a href="class_qwt_polar_renderer.html#a709afab29fcdd1f602b62c6f7d7fdf2c">QwtPolarRenderer::render</a></div><div class="ttdeci">virtual void render(QwtPolarPlot *, QPainter *, const QRectF &amp;rect) const</div><div class="ttdoc">Render the plot to a given rectangle ( f.e QPrinter, QSvgRenderer )</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__renderer_8cpp_source.html#l00326">qwt_polar_renderer.cpp:326</a></div></div>
<div class="ttc" id="aclass_qwt_polar_renderer_html_a81598da0f256448708d0118e724ae08c"><div class="ttname"><a href="class_qwt_polar_renderer.html#a81598da0f256448708d0118e724ae08c">QwtPolarRenderer::renderDocument</a></div><div class="ttdeci">void renderDocument(QwtPolarPlot *, const QString &amp;format, const QSizeF &amp;sizeMM, int resolution=85)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__renderer_8cpp_source.html#l00113">qwt_polar_renderer.cpp:113</a></div></div>
<div class="ttc" id="aclass_qwt_polar_renderer_html_aa67b03290bf743cc0b102161589180d5"><div class="ttname"><a href="class_qwt_polar_renderer.html#aa67b03290bf743cc0b102161589180d5">QwtPolarRenderer::~QwtPolarRenderer</a></div><div class="ttdeci">virtual ~QwtPolarRenderer()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__renderer_8cpp_source.html#l00097">qwt_polar_renderer.cpp:97</a></div></div>
<div class="ttc" id="aclass_qwt_polar_renderer_html_abbdd5233df47315a12d303e81f746486"><div class="ttname"><a href="class_qwt_polar_renderer.html#abbdd5233df47315a12d303e81f746486">QwtPolarRenderer::renderLegend</a></div><div class="ttdeci">virtual void renderLegend(const QwtPolarPlot *, QPainter *, const QRectF &amp;) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__renderer_8cpp_source.html#l00411">qwt_polar_renderer.cpp:411</a></div></div>
<div class="ttc" id="aclass_qwt_polar_renderer_html_ac699bd3db7172339c91e38799ce0ee75"><div class="ttname"><a href="class_qwt_polar_renderer.html#ac699bd3db7172339c91e38799ce0ee75">QwtPolarRenderer::renderTo</a></div><div class="ttdeci">void renderTo(QwtPolarPlot *, QPrinter &amp;) const</div><div class="ttdoc">Render the plot to a QPrinter.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__renderer_8cpp_source.html#l00273">qwt_polar_renderer.cpp:273</a></div></div>
<div class="ttc" id="aclass_qwt_text_html_ad81ee227016361a0362081bc67c301da"><div class="ttname"><a href="class_qwt_text.html#ad81ee227016361a0362081bc67c301da">QwtText::draw</a></div><div class="ttdeci">void draw(QPainter *painter, const QRectF &amp;rect) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text_8cpp_source.html#l00615">qwt_text.cpp:615</a></div></div>
<div class="ttc" id="aclass_qwt_text_html_ad94fd632f61b1e5d9f68ce65c445982e"><div class="ttname"><a href="class_qwt_text.html#ad94fd632f61b1e5d9f68ce65c445982e">QwtText::text</a></div><div class="ttdeci">QString text() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text_8cpp_source.html#l00289">qwt_text.cpp:289</a></div></div>
<div class="ttc" id="aclass_qwt_text_label_html"><div class="ttname"><a href="class_qwt_text_label.html">QwtTextLabel</a></div><div class="ttdoc">A Widget which displays a QwtText.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__label_8h_source.html#l00026">qwt_text_label.h:27</a></div></div>
<div class="ttc" id="aclass_qwt_text_label_html_a65113573cdf1fe4098a324453e11fe4e"><div class="ttname"><a href="class_qwt_text_label.html#a65113573cdf1fe4098a324453e11fe4e">QwtTextLabel::text</a></div><div class="ttdeci">const QwtText &amp; text() const</div><div class="ttdoc">Return the text.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__label_8cpp_source.html#l00118">qwt_text_label.cpp:118</a></div></div>
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